[{"data":1,"prerenderedAt":190},["ShallowReactive",2],{"leaderboard-total":3,"spot-seo-nine-mile-reef":9,"spot-nine-mile-reef":51},{"entries":4,"total":5,"period":6,"type":7,"generated_at":8},[],0,"all_time","reports","2026-10-03T06:32:05.526386Z",{"title":10,"description":11,"canonical_url":12,"og_image":13,"structured_data":14,"breadcrumbs":44},"Snorkeling Conditions at Nine Mile Reef - How's the Spot","Check snorkeling conditions at Nine Mile Reef, New South Wales. Good conditions, water 22.3°C, waves 0.51m","https:\u002F\u002Fhowsthespot.com\u002Fspots\u002Fnine-mile-reef","https:\u002F\u002Fhowsthespot.com\u002Fog-default.png",[15,28],{"@context":16,"@type":17,"name":18,"description":19,"url":12,"geo":20,"address":24},"https:\u002F\u002Fschema.org","Place","Nine Mile Reef","Nine Mile Reef lies roughly 14 km offshore from Tweed Heads, straddling the NSW–Queensland border. This isolated submerged reef features a dramatic rocky ridge, ledges, gutters, and bommies that dr...",{"@type":21,"latitude":22,"longitude":23},"GeoCoordinates",-28.375,153.775,{"@type":25,"addressRegion":26,"addressCountry":27},"PostalAddress","New South Wales","Australia",{"@context":16,"@type":29,"name":30,"description":11,"url":12,"breadcrumb":31},"WebPage","Snorkeling Conditions at Nine Mile Reef",{"@context":16,"@type":32,"itemListElement":33},"BreadcrumbList",[34,39,42],{"@type":35,"position":36,"name":37,"item":38},"ListItem",1,"Home","https:\u002F\u002Fhowsthespot.com",{"@type":35,"position":40,"name":26,"item":41},2,"https:\u002F\u002Fhowsthespot.com\u002Fexplore?region=new-south-wales",{"@type":35,"position":43,"name":18,"item":12},3,[45,47,49],{"label":37,"href":46},"\u002F",{"label":26,"href":48},"\u002Fexplore?region=new-south-wales",{"label":18,"href":50},"\u002Fspots\u002Fnine-mile-reef",{"id":52,"name":18,"slug":53,"latitude":22,"longitude":23,"description":54,"difficulty":55,"image_url":56,"status":57,"tide_constituents":58,"hazard_entries":109,"access_info_structured":131,"area_boundary":56,"routes":56,"created_at":138,"updated_at":139,"today_conditions":140,"today_verdict_view":162,"images":186,"submitted_by":187,"region_name":26,"verification_status":189,"verified_at":56,"disputed":153,"verifier_count":5,"last_verified_display_name":56},"c69d6e63-d1d5-419c-ba36-51a21bc78c00","nine-mile-reef","Nine Mile Reef lies roughly 14 km offshore from Tweed Heads, straddling the NSW–Queensland border. This isolated submerged reef features a dramatic rocky ridge, ledges, gutters, and bommies that drop from 12 m to 30 m. It's legendary among local divers and advanced snorkelers for its formidable grey nurse shark aggregations — over 100 have been counted in the \"shark pit\" gutter during winter. The reef is blanketed in black coral trees, gorgonians, soft and hard corals, sponges and ascidians, supporting a rich subtropical ecosystem. Strong currents and exposed oceanic conditions mean this is strictly for experienced watergoers.","advanced",null,"published",{"name":59,"amplitude":75,"phase":91,"latitude":22,"model":107,"epoch":108},[60,61,62,63,64,65,66,67,68,69,70,71,72,73,74],"2N2","J1","K1","K2","M2","M4","MF","MM","N2","O1","P1","Q1","S1","S2","T2",[76,77,78,79,80,81,82,83,84,85,86,87,88,89,90],0.018988099060240148,0.011371018662247257,0.1879589893667447,0.04201285470578899,0.5293855493348905,0.004267966332301136,0.00031088582954572237,0.0028179615875730535,0.11033274098198027,0.10535408298461048,0.0544533337285465,0.024597547432024695,0.0013946012423819367,0.1524358746024123,0.011346325268284878,[92,93,94,95,96,97,98,99,100,101,102,103,104,105,106],290.43693654095534,2.028389591071657,353.01713255298495,297.1256883523618,300.8142000205441,198.23806093975537,96.36471657003187,4.446037137107316,292.69143025990945,320.13651716368685,344.45582811958394,298.57493017759634,8.980845876391518,311.5020002595313,322.0773453340026,"EOT20","1992-01-01T00:00:00Z",[110,115,121,125,128],{"name":111,"description":112,"severity":113,"season_start":36,"season_end":114},"Strong Ocean Currents","Tidal currents can rip at up to 3 knots (approx. 5.5 km\u002Fh), making navigation and return to the boat extremely challenging.","danger",12,{"name":116,"description":117,"severity":118,"season_start":119,"season_end":120},"Shark Encounters","The reef is a famous shark aggregation site. Grey nurse sharks are common in winter (over 100 recorded); wobbegongs, leopard sharks, and occasional bronze whalers are present year-round.","caution",6,8,{"name":122,"description":123,"severity":124,"season_start":36,"season_end":114},"Exposed Offshore Conditions","Located 9 nautical miles offshore, the site is fully exposed to ocean swell and weather. Trips are frequently cancelled unless conditions are exceptionally calm.","warning",{"name":126,"description":127,"severity":118,"season_start":36,"season_end":114},"Barnacle-Infested Reef","The reef surface is covered in sharp barnacles that can cause cuts and abrasions to exposed skin.",{"name":129,"description":130,"severity":124,"season_start":36,"season_end":114},"Depth and Drop-offs","The reef top sits around 10–12 m deep and drops to 30 m, with sudden depth changes that can disorient snorkelers.",{"directions":132,"parking":133,"facilities":134,"fees":136,"access_method":137},"Nine Mile Reef is located approximately 9 nautical miles (14 km) off the coast of Tweed Heads, near the NSW–Queensland border. Access is by boat only; local charter operators such as Gold Coast Dive Adventures run trips from the Tweed Heads area (approx. 45-minute boat ride). All trips are weather-dependent and subject to cancellation due to swell and currents.","Parking is available in Tweed Heads at public car parks and the Tweed Mall area (free timed parking or $2\u002Fday undercover). Charter operators typically have designated parking near their departure points.",[135],"parking","Charter fees apply — book through local dive\u002Fsnorkel operators. No direct entry fee as this is an offshore reef.","boat","2026-07-27T02:56:18.633338Z","2026-08-04T05:36:16.070510Z",{"verdict":141,"evaluated_at":142,"models":143},"go","2026-10-03T02:19:32.407402Z",[144,151,157],{"model_name":145,"is_favourable":146,"value":147,"threshold":148,"unit":149,"operator":150},"Wind Speed",true,5.12,10,"kn","lte",{"model_name":152,"is_favourable":153,"value":154,"threshold":155,"unit":156,"operator":150},"Wave Height",false,0.51,0.5,"m",{"model_name":158,"is_favourable":146,"value":159,"threshold":40,"unit":160,"operator":161},"Visibility",2.24,"","gte",{"verdict":141,"rating":163,"evaluated_at":142,"generated_at":142,"source":164,"confidence":165,"visibility":168,"parameters":169,"models_passed":43,"models_total":181},"Good","precomputed",{"level":166,"value":167},"High",100,{"score":159,"rating":56,"confidence":56},[170,171,175,178,183],{"name":152,"value":154,"label":56,"unit":156,"favourable":153,"score":36,"optimal_max":155,"marginal_max":36},{"name":172,"value":173,"label":56,"unit":174,"favourable":146,"score":43,"optimal_max":120,"marginal_max":114},"Swell Period",6.95,"s",{"name":145,"value":176,"label":56,"unit":149,"favourable":146,"score":43,"optimal_max":148,"marginal_max":177},5.1220184,15,{"name":179,"value":5,"label":56,"unit":180,"favourable":146,"score":43,"optimal_max":181,"marginal_max":182},"Precipitation","mm",5,20,{"name":184,"value":56,"label":185,"unit":160,"favourable":153,"score":36,"optimal_max":56,"marginal_max":56},"Tidal Phase","flood",[],{"display_name":188},"Daniel","unverified",1791009179401]